Buy Cities: Skylines - Sunset Harbor PC Key

This content requires the base game: Cities: Skylines

Looking for a cheap Cities: Skylines - Sunset Harbor key? As of 8 Aug 2026 the cheapest key costs A$9.38 at Eneba. We compare 19 offers from 18 stores, spanning A$9.38 to A$31.07. In keyshops the lowest price is A$9.38, in official stores it starts at A$9.52. With this many sellers the gap between the extremes is often several times over, so picking the store matters more here than waiting for a sale. This is an add-on, so you also need the base game to play it. That costs A$6.54 today, which puts the pair at A$15.92. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.

Metacritic:
tbd tbd
Steam:
Mixed (539)
Buy in Official Store:
-55%
A$9.52
Buy in Keyshops:
-61%
A$9.38
See price history

Official Stores (5)

DRM:
Steam
Steam
Gamebillet
Cities: Skylines - Sunset Harbor
Windows
+2
14h ago
DRM:
Steam
Gamebillet
A$21.30 ~A$9.52
-55%
GamersGate
Cities: Skylines - Sunset Harbor
Windows
+2
2h ago
DRM:
Steam
GamersGate
A$21.50 A$11.49
-46%
-10% with XDD10copy
-10% with XDD10copy
Steam
Cities: Skylines - Sunset Harbor
Windows
+2
3w ago
DRM:
Steam
Steam
A$21.50
Allyouplay
Cities: Skylines - Sunset Harbor
Windows
+2
17w ago
DRM:
Steam
Allyouplay
A$21.50
PlanetPlay
Cities: Skylines - Sunset Harbor
Windows
+2
3h ago
DRM:
Steam
PlanetPlay
A$21.65

Keyshops (14)

DRM:
Steam
Steam
Cities: Skylines - Sunset Harbor (DLC) Steam Key GLOBAL
5.0
Windows
+2
15h ago
DRM:
Steam
Eneba
A$24.55 ~A$9.38
-61%
-10% with XDD10copy
-10% with XDD10copy
G2Play
Cities: Skylines - Sunset Harbor DLC Steam CD Key
Windows
+2
14h ago
DRM:
Steam
G2Play
A$24.55 ~A$9.92
-59%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
Cities: Skylines - Sunset Harbor DLC Steam CD Key
Windows
+2
14h ago
DRM:
Steam
Kinguin
A$24.55 ~A$9.92
-59%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Driffle
Cities Skylines - Sunset Harbor DLC (Global) (PC / Mac / Linux) - Steam - Digital Key
Windows
+2
1h ago
DRM:
Steam
Driffle
A$21.30 ~A$10.23
-51%
-6% with XDDEALS6copy
-6% with XDDEALS6copy
GAMIVO
Cities: Skylines - Sunset Harbor DLC Global (Steam)
Windows
+2
14h ago
DRM:
Steam
GAMIVO
A$21.30 ~A$10.37
-51%
-9% with XDDealscopy
-9% with XDDealscopy
Gameseal
Cities: Skylines - Sunset Harbor (DLC) (PC) Steam Key - GLOBAL
Windows
+2
1d ago
DRM:
Steam
Gameseal
A$21.50 ~A$10.38
-51%
-17% with SEAL17XDDcopy
-17% with SEAL17XDDcopy
Difmark
Cities Skylines Sunset Harbor (DLC)
Windows
+2
1w ago
DRM:
Steam
Difmark
A$21.50 ~A$10.44
-51%
-15% with XDDEALScopy
-15% with XDDEALScopy

About Cities: Skylines - Sunset Harbor

Cities: Skylines - Sunset Harbor - about the game

Cities: Skylines Sunset Harbor is a strategy simulation expansion that adds a fishing industry, expanded transit options, and new utility services to the core city building experience on PC. Players manage urban growth by integrating these elements into existing or new cities, focusing on economic balance, infrastructure planning, and resource management across varied environments.

Gameplay

The expansion centers on developing a fishing industry that operates through boats at sea and dedicated fish farms. This system introduces a commercial layer where fish resources appear automatically based on water conditions, with four distinct types each suited to specific depths and flows. Players zone industrial areas near shorelines and connect production to broader supply chains for export or local use.

Water management gains new depth through treatment plants that process wastewater for reuse, reducing pollution and supporting sustainable city layouts. Transit receives updates with intercity bus services that link separate urban areas and trolley buses for efficient inner city movement. The aviation club building supports recreational flying with small planes, helicopters, and private aircraft, adding visual and functional variety to airports and open spaces.

Five new maps provide starting points in boreal, tropical, and temperate settings, each designed to highlight the added features like shoreline development and water based industries. City services integrate these elements to handle citizen needs while maintaining traffic flow and economic output.

Game Modes

Gameplay remains rooted in single player sandbox city building, where players freely design and expand settlements without time limits or predefined objectives. The new maps serve as templates for this open ended approach, allowing focus on fishing infrastructure, transit networks, or utility upgrades alongside standard zoning and services.

Integration with the base simulation encourages experimentation across different locales, such as building fish farms in shallow coastal zones or routing intercity buses between growing districts. No separate competitive or story driven modes appear in the expansion, keeping emphasis on iterative city management and long term planning.

Key Additions and Systems

Fishing operations require careful placement of boats and farms to match water conditions for optimal yields of anchovies, salmon, shellfish, or tuna. These resources feed into commercial zones and can connect with other industries for processing or trade.

Transit expansions improve connectivity, with intercity buses handling longer routes and trolley systems easing congestion in dense areas. The aviation club encourages private aviation as a niche service that appeals to higher income residents.

Utility buildings like water treatment plants tie into environmental goals by recycling resources and lowering operational costs over time. Maps vary in terrain and climate to test adaptation of these mechanics in boreal forests, tropical coasts, or temperate plains.

Is It Worth Playing?

This expansion suits players who enjoy detailed city simulation and want to expand their toolkit with industry and transit mechanics. It adds mechanical layers to shoreline and water focused builds without altering the fundamental single player loop.

Reception highlights the value of these changes for depth in transport, citizen services, and new commercial options. The five maps and integrated features provide fresh starting points for ongoing city projects. Those already invested in the base game find the additions enhance long term engagement through better resource flows and connectivity options.

Interface:
GermanEnglishSpanish - SpainFrenchKoreanPolishPortuguese - BrazilRussianSimplified Chinese
Subtitles:
GermanEnglishSpanish - SpainFrenchKoreanPolishPortuguese - BrazilRussianSimplified Chinese
Metacritic:
tbd tbd
Steam:
Mixed (539)

Minimum:

  • OS: Windows® 10 Home 64 Bit
  • Processor: Intel® Core™ I7 930 | AMD® FX 6350
  • Memory: 8 GB RAM
  • Graphics: Nvidia® GeForce™ GTS 450 (1 GB) | AMD® R7 250 (2 GB) | Intel Iris Xe G7 (Tiger Lake)
  • DirectX: Version 9.0c
  • Storage: 4 GB available space
  • Additional Notes: Broadband Internet connection

Recommended:

  • OS: Windows® 10 Home 64 bit
  • Processor: Intel® Core™ I7 2700K | AMD® Ryzen 7 2700X
  • Memory: 16 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 580 (1.5 GB) | AMD® Radeon™ RX 560 (4 GB)
  • DirectX: Version 11
  • Storage: 4 GB available space
  • Additional Notes: Broadband Internet connection

Minimum:

  • OS: OS X 10.11 (64-bit)
  • Processor: Intel Core 2 Duo, 3.0GHz
  • Memory: 6 GB RAM
  • Graphics: nVIDIA GeForce GTX 260, 512 MB or ATI Radeon HD 5670, 512 MB (Does not support Intel Integrated Graphics Cards)
  • Storage: 4 GB available space
  • Additional Notes: Broadband Internet connection

Recommended:

  • OS: OS X 10.11 (64-bit)
  • Processor: Intel Core i5-3470, 3.20GHz
  • Memory: 8 GB RAM
  • Graphics: nVIDIA GeForce GTX 660, 2 GB or AMD Radeon HD 7870, 2 GB (Does not support Intel Integrated Graphics Cards)
  • Storage: 4 GB available space
  • Additional Notes: Broadband Internet connection

Minimum:

  • OS: Ubuntu 12.04 (64-bit)
  • Processor: Intel Core 2 Duo, 3.0GHz or AMD Athlon 64 X2 6400+, 3.2GHz
  • Memory: 6 GB RAM
  • Graphics: nVIDIA GeForce GTX 260, 512 MB or ATI Radeon HD 5670, 512 MB (Does not support Intel Integrated Graphics Cards)
  • Storage: 4 GB available space
  • Additional Notes: Broadband Internet connection

Recommended:

  • OS: Ubuntu 14.10 (64-bit)
  • Processor: Intel Core i5-3470, 3.20GHz or AMD FX-6300, 3.5Ghz
  • Memory: 8 GB RAM
  • Graphics: nVIDIA GeForce GTX 660, 2 GB or AMD Radeon HD 7870, 2 GB (Does not support Intel Integrated Graphics Cards)
  • Storage: 4 GB available space
  • Additional Notes: Broadband Internet connection
Historical low
Price history from official stores
A$8.19
PlanetPlay
1 weeks ago
Price history from keyshops
A$8.73
Gameseal
3 months ago
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FAQ

9 questions

Before you start looking for a cheap Cities: Skylines - Sunset Harbor PC key, check the essentials. Developed by Colossal Order. Published by Paradox Interactive. PC released date: 26 Mar 2020. Genres: Strategy, Simulation. Categories: Family Sharing, Steam Trading Cards, Steam Workshop, Single-player, Downloadable Content, Steam Achievements, Steam Cloud, Includes level editor. Age rating: PEGI 3.

Q

Where to buy a cheap Cities: Skylines - Sunset Harbor Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Cities: Skylines - Sunset Harbor key for as low as A$9.38. This deal is available at Eneba and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Cities: Skylines - Sunset Harbor price on PC. Check the Cities: Skylines - Sunset Harbor price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Cities: Skylines - Sunset Harbor Steam price is A$21.50. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find Cities: Skylines - Sunset Harbor on sale even outside seasonal promotions. We currently detect 19 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Cities: Skylines - Sunset Harbor is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

We have recorded offers from 18 stores in total, and from 5 in the most recent reading. The price reached its historical low on only 1 day out of 173 days with data. No single store dominates on price: the cheapest offer came from 15 stores. The current price sits mid-range against its own history, cheaper on 62% of days with data.

Yes. Cities: Skylines - Sunset Harbor has an official page on the Steam Store. You can also buy a Cities: Skylines - Sunset Harbor Steam key from third-party sellers. Our price comparison currently includes 18 offers with Steam DRM. Pick one to ensure your Cities: Skylines - Sunset Harbor download happens on Valve's platform.

Not at this time. Valve marks Cities: Skylines - Sunset Harbor as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

According to our data Cities: Skylines - Sunset Harbor is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Cities: Skylines - Sunset Harbor deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Cities: Skylines - Sunset Harbor

1 Eneba Eneba Keyshop
-61% A$9.38
2 Gamebillet Gamebillet Official
-55% A$9.52
3 G2Play G2Play Keyshop
-59% A$9.92
4 Kinguin Kinguin Keyshop
-59% A$9.92
5 Driffle Driffle Keyshop
-51% A$10.23

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